Dynamics 365 Commerce: Omnichannel commerce - Add support for multiple outlet B2B ordering via CSU

Available for B2B scenarios in Dynamics 365 Commerce (including headless Commerce), this feature enables retailers to configure unified sign-in in Commerce headquarters and integrate third‑party storefronts using CSU APIs. The organization selector and related capabilities are exposed via CSU endpoints so that third-party sites can consume identities, organizational context, and ordering workflows without relying on native UI components.

Functional enhancements

Contact model transition : Replaces the customer account type "Person" with type "Contact" to better manage B2B partners.

Single contact linking : Links one customer contact to multiple organizations within the hierarchy.

Customer hierarchy improvements : Links B2B buyer and seller contacts to organization accounts directly from the customer hierarchy.

Unified ordering : Enables buyers to purchase for multiple outlets using a single account.

Organization credit limits : Allows all authorized buyers to order against the credit limit for their organization.

Sales order invoices : Generates sales orders and invoices tied directly to the organization account.

Organization account-based experiences : Automatically populates buye…